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            • 1．

              She often parks her car near the house ___ she can easily get to .

              A. where　　　 B. who　　　　 C. which　　　　 D. what

              难度：较难
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            • 2．
              It’s very important that we all recycle（再利用）. In nature, everything (1) again. For example, when an animal dies, it becomes (2) animal’s food. Nothing is wasted. But humans have created things like plastic bags (3) can’t be broken down by nature. Our rubbish kills animals and (4) water soil. (5) we continue making too much rubbish, the problem will only get worse. If nature can’t reuse the rubbish, we must recycle (6) . We should clean up the rubbish we’ve made because nature can’t.

              Recycling is also the right thing to do for another reason. The earth is rich in natural materials like water and trees, (7) these materials are not endless. We use up our natural materials much (8) than the earth is able to reproduce them. For example, each year we cut

              (9) more than 6000 square miles of forest. But it takes an average of 25 years for anew tree

              (10) .

              Recycling can help us save the earth, so let’s take action right now.
              (1) A. use B. using C. is used D. used
              (2) A. another B. other C. others D. the other
              (3) A. who B. which C. how D. where
              (4) A. pollutes B. polluted C. polluting D. is polluted
              (5) A. When B. Whether C. Why D. If
              (6) A. them B. their C. it D. itself
              (7) A. but B. so C. and D. or
              (8) A. fastly B. fast C. faster D. fastest
              (9) A. out B. down C. in D. up
              (10) A. grows B. for growing C. growing D. to grow
              难度：较易
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